@charset "utf-8";

body{
    background: #f4f4f4;
}
/* 头部 */
header{
    background: #ffe300;
    margin-bottom: 20px;
}
.header{
    width: 1220px;
    height: 56px;
    margin: 0 auto;
    display: flex;
}
.header .logo{
    width: 114px;
    height: 20px;
    padding-top: 18px;
    margin-right: 172px;
}
/* 一级菜单 */
.header .first_ul{
    margin-right: 32px;
}
.header .first_ul>li{
    float: left;
    /* 定位二级菜单 */
    position: relative;
}
.header .first_ul>li>a{
    display: block;
    padding: 0 24px;
    height: 100%;
    line-height: 56px;
    font-size: 12px;
    text-align: center;
    cursor: pointer;
    color: #000;
}
.header .first_ul>li:hover>a{
    background: #000;
    color: #ffe300;
}
.header .first_ul>li:first-child{
    font-weight: bold;
}
.header .first_ul>li i{
    width: 20px;
    height: 56px;
    background: url(../img/nav-more.svg) no-repeat center;
    display: block;
}
.header .first_ul>li:last-child:hover i{
    background: url(../img/nav-more-hover.svg) no-repeat center;
}
/* 二级菜单 */
.header .first_ul>li .menu_list{
    z-index: 20;
    display: none;
    padding: 5px 0;
    position: absolute;
    left: 0;
    box-shadow: 0 1px 12px 0 rgba(0,0,0,.2);
    background: #fff;
}
.header .first_ul>li .menu_list>li{
    cursor: pointer;
    width: 152px;
    height: 44px;
    line-height: 44px;
    font-size: 14px;
    padding-left: 20px;
}
.header .first_ul>li .menu_list>li:hover{
    background: #ffe300;
}
.header .first_ul>li:hover .menu_list{
    display: block;
}
.header .first_ul>li .menu_list .ml_top{
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    width: 664px;
    padding: 11px 17px 17px;
    border-bottom: 1px solid #ccc;
}
.header .first_ul>li .menu_list .ml_top li{
    width: 90px;
    /* height: 28px; */
    text-align: center;
    cursor: pointer;
}
.header .first_ul>li .menu_list .ml_top li a{
    color: #444;
    font-size: 14px;
    padding: 0 7px;
}
.header .first_ul>li .menu_list .ml_top li:hover a{
    background: #ffe300;
}
.header .first_ul>li .menu_list .ml_bottom{
    padding: 0 30px;
    line-height: 51px;
}
.header .first_ul>li .menu_list .ml_bottom a{
    font-size: 14px;
    margin-right: 40px;
    color: #444;
    padding-right: 15px;
    background: url(../img/gengduojiantou.svg) right no-repeat;
    background-size: 10px 10px;
}
.header .first_ul>li .menu_list .ml_bottom a:hover{
    color: #d36f16;
    background: url(../img/gengduojiantou2.svg) right no-repeat;
    background-size: 10px 10px;
}

.header .search,.upload{
    width: 60px;
    height: 56px;
    cursor: pointer;
}
.header .search{
    background: url(../img/nav-search.svg) no-repeat center;
    background-size: 20px;
}
.header .search:hover{
    background: #000 url(../img/nav-search-hover.svg) no-repeat center;
    background-size: 20px;
}
.header .upload{
    background: url(../img/nav-upload.svg) no-repeat center;
    background-size: 20px;
}
.header .upload:hover{
    background: #000 url(../img/nav-upload-hover.svg) no-repeat center;
    background-size: 20px;
}
.header section{
    display: flex;
    align-items: center;
}
.header section a{
    text-align: center;
    color: #282828;
    line-height: 12px;
    font-size: 12px;
    height: 12px;
}
.header section .login{
    width: 71px;
    border-right: 1px solid #444;
    margin-right: 10px;
}
.header section .reg{
    width: 48px;
}

/* 返顶按钮 */
.toTop{
    width: 50px;
    height: 50px;
    position: fixed;
    right: 25px;
    bottom: 70px;
    border-radius: 4px;
    background: #ddd url(../img/toTop.png) no-repeat center;
    cursor: pointer;
    display: none;
}
.toTop:hover{
    background: #ddd url(../img/toTop_after.png) no-repeat center;
}